HW300PRO Car Paint & Coating Thickness Gauge 0–2000µm Fe/NFe

HW300PRO Coating Thickness Gauge – Professional Automotive Paint Measurement

Get precise, instant readings of automotive paint and coating thickness with the HW300PRO Coating Thickness Gauge. Designed for car buyers, detailers, auto-body professionals, and enthusiasts, this compact tester automatically detects ferrous (Fe) and non-ferrous (NFe) substrates, delivering ultra-accurate measurements across a wide 0–2000 µm range. Spot hidden repaints, filler, and uneven bodywork in seconds — making it an essential tool for pre-purchase inspections and quality control.

Key Features

• Wide Measurement Range: 0–2000 µm — covers standard automotive paint, enamel, chrome, anodized layers, and more
• Ultra-Precision Resolution: 1 µm resolution with measurement accuracy of ±(3% + 1 µm)
• Automatic Substrate Detection: Instantly identifies Fe (ferrous/steel) and NFe (non-ferrous: aluminum, copper) substrates — no manual switching required
• Versatile Coating Detection: Measures paint, enamel, chromium on steel; paint on aluminum/copper; anodized coatings
• Battery Power Indicator: Always know your remaining charge at a glance
• Auto Shut-Off: Saves battery life when the gauge is not in use
• Compact & Portable: Dimensions 122 mm × 50 mm × 22 mm — fits easily in a glove box or tool bag
• Durable ABS Body: Lightweight yet robust construction built for field use

Specifications

What's in the Box?

• 1 × HW-300PRO Coating Thickness Gauge
• 1 × Instruction Manual
• 1 × Calibration Sheet
• Note: AAA batteries are not included.

Who Is This For?

Whether you're a used-car buyer wanting to verify a vehicle's true condition, an auto detailer performing coating prep, or a body shop professional checking repair quality, the HW300PRO gives you the data you need — fast, accurately, and without guesswork.

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Frequently Asked Questions

Q: Does the HW300PRO coating thickness gauge work on both steel and aluminum car panels?

A: Yes. The HW300PRO automatically detects whether the substrate is ferrous (Fe, e.g. steel) or non-ferrous (NFe, e.g. aluminum or copper) and adjusts its measurement mode accordingly — no manual switching is needed. This makes it suitable for measuring paint thickness across virtually all modern vehicle body panels.

Q: What is the measurement range and resolution of the HW300PRO?

A: The gauge measures coating thickness from 0 to 2000 µm with an ultra-precision resolution of 1 µm and a measurement accuracy of ±(3% + 1 µm), making it highly reliable for detecting repainted panels, body filler, or uneven coatings on used vehicles.

Q: Are batteries included with the HW300PRO?

A: No, batteries are not included. The gauge is powered by 2 × 1.5V AAA batteries, which are widely available and easy to source separately. The device also features a battery power indicator and an automatic shut-off function to extend battery life.

Q: Can I use this gauge to check coatings other than automotive paint?

A: Absolutely. The HW300PRO measures a wide range of coatings on metal substrates, including enamel, chromium plating on steel, paint on aluminum and copper, and anodized coatings — making it a versatile tool for auto detailing, quality control, and general metal coating inspection.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.